/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* vim: set ts=8 sts=2 et sw=2 tw=80: */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #include "base/basictypes.h" #include "ipc/IPCMessageUtils.h" #include "mozilla/dom/DOMRect.h" #include "mozilla/dom/NotifyPaintEvent.h" #include "mozilla/dom/PaintRequest.h" #include "mozilla/GfxMessageUtils.h" #include "nsContentUtils.h" namespace mozilla { namespace dom { NotifyPaintEvent::NotifyPaintEvent(EventTarget* aOwner, nsPresContext* aPresContext, WidgetEvent* aEvent, EventMessage aEventMessage, nsInvalidateRequestList* aInvalidateRequests, uint64_t aTransactionId) : Event(aOwner, aPresContext, aEvent) { if (mEvent) { mEvent->mMessage = aEventMessage; } if (aInvalidateRequests) { mInvalidateRequests.AppendElements(Move(aInvalidateRequests->mRequests)); } mTransactionId = aTransactionId; } NS_INTERFACE_MAP_BEGIN(NotifyPaintEvent) NS_INTERFACE_MAP_ENTRY(nsIDOMNotifyPaintEvent) NS_INTERFACE_MAP_END_INHERITING(Event) NS_IMPL_ADDREF_INHERITED(NotifyPaintEvent, Event) NS_IMPL_RELEASE_INHERITED(NotifyPaintEvent, Event) nsRegion NotifyPaintEvent::GetRegion() { nsRegion r; if (!nsContentUtils::IsCallerChrome()) { return r; } for (uint32_t i = 0; i < mInvalidateRequests.Length(); ++i) { r.Or(r, mInvalidateRequests[i].mRect); r.SimplifyOutward(10); } return r; } NS_IMETHODIMP NotifyPaintEvent::GetBoundingClientRect(nsIDOMClientRect** aResult) { *aResult = BoundingClientRect().take(); return NS_OK; } already_AddRefed<DOMRect> NotifyPaintEvent::BoundingClientRect() { RefPtr<DOMRect> rect = new DOMRect(ToSupports(this)); if (mPresContext) { rect->SetLayoutRect(GetRegion().GetBounds()); } return rect.forget(); } NS_IMETHODIMP NotifyPaintEvent::GetClientRects(nsIDOMClientRectList** aResult) { *aResult = ClientRects().take(); return NS_OK; } already_AddRefed<DOMRectList> NotifyPaintEvent::ClientRects() { nsISupports* parent = ToSupports(this); RefPtr<DOMRectList> rectList = new DOMRectList(parent); nsRegion r = GetRegion(); for (auto iter = r.RectIter(); !iter.Done(); iter.Next()) { RefPtr<DOMRect> rect = new DOMRect(parent); rect->SetLayoutRect(iter.Get()); rectList->Append(rect); } return rectList.forget(); } NS_IMETHODIMP NotifyPaintEvent::GetPaintRequests(nsISupports** aResult) { RefPtr<PaintRequestList> requests = PaintRequests(); requests.forget(aResult); return NS_OK; } already_AddRefed<PaintRequestList> NotifyPaintEvent::PaintRequests() { Event* parent = this; RefPtr<PaintRequestList> requests = new PaintRequestList(parent); if (nsContentUtils::IsCallerChrome()) { for (uint32_t i = 0; i < mInvalidateRequests.Length(); ++i) { RefPtr<PaintRequest> r = new PaintRequest(parent); r->SetRequest(mInvalidateRequests[i]); requests->Append(r); } } return requests.forget(); } NS_IMETHODIMP_(void) NotifyPaintEvent::Serialize(IPC::Message* aMsg, bool aSerializeInterfaceType) { if (aSerializeInterfaceType) { IPC::WriteParam(aMsg, NS_LITERAL_STRING("notifypaintevent")); } Event::Serialize(aMsg, false); uint32_t length = mInvalidateRequests.Length(); IPC::WriteParam(aMsg, length); for (uint32_t i = 0; i < length; ++i) { IPC::WriteParam(aMsg, mInvalidateRequests[i].mRect); IPC::WriteParam(aMsg, mInvalidateRequests[i].mFlags); } } NS_IMETHODIMP_(bool) NotifyPaintEvent::Deserialize(const IPC::Message* aMsg, PickleIterator* aIter) { NS_ENSURE_TRUE(Event::Deserialize(aMsg, aIter), false); uint32_t length = 0; NS_ENSURE_TRUE(IPC::ReadParam(aMsg, aIter, &length), false); mInvalidateRequests.SetCapacity(length); for (uint32_t i = 0; i < length; ++i) { nsInvalidateRequestList::Request req; NS_ENSURE_TRUE(IPC::ReadParam(aMsg, aIter, &req.mRect), false); NS_ENSURE_TRUE(IPC::ReadParam(aMsg, aIter, &req.mFlags), false); mInvalidateRequests.AppendElement(req); } return true; } NS_IMETHODIMP NotifyPaintEvent::GetTransactionId(uint64_t* aTransactionId) { *aTransactionId = mTransactionId; return NS_OK; } uint64_t NotifyPaintEvent::TransactionId() { return mTransactionId; } } // namespace dom } // namespace mozilla using namespace mozilla; using namespace mozilla::dom; already_AddRefed<NotifyPaintEvent> NS_NewDOMNotifyPaintEvent(EventTarget* aOwner, nsPresContext* aPresContext, WidgetEvent* aEvent, EventMessage aEventMessage, nsInvalidateRequestList* aInvalidateRequests, uint64_t aTransactionId) { RefPtr<NotifyPaintEvent> it = new NotifyPaintEvent(aOwner, aPresContext, aEvent, aEventMessage, aInvalidateRequests, aTransactionId); return it.forget(); }